hwrng: nomadik - Constify nmk_rng_ids[]

nmk_rng_ids[] is not modified and can be made const to allow the
compiler to put it in read-only memory.

Before:
   text    data     bss     dec     hex filename
    652     216       4     872     368 drivers/char/hw_random/nomadik-rng.o

After:
   text    data     bss     dec     hex filename
    676     192       4     872     368 drivers/char/hw_random/nomadik-rng.o

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c
index 74ed29f42e4fe70eafa0f2e58df3922f1b26dc29..b0ded41eb865f56483c2fa80dbf7361832680b3c 100644 (file)
--- a/drivers/char/hw_random/nomadik-rng.c
+++ b/drivers/char/hw_random/nomadik-rng.c
@@ -76,7 +76,7 @@ static int nmk_rng_remove(struct amba_device *dev)
        return 0;
 }
 
-static struct amba_id nmk_rng_ids[] = {
+static const struct amba_id nmk_rng_ids[] = {
        {
                .id     = 0x000805e1,
                .mask   = 0x000fffff, /* top bits are rev and cfg: accept all */